X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/bb9f8625757943e75f5e5ed74c35fbd2757fc005..ed85e20e4d6a27d5405f37366dd34b64c10a9211:/tcpdump-stdinc.h?ds=sidebyside diff --git a/tcpdump-stdinc.h b/tcpdump-stdinc.h index a3f879f3..0a94bb59 100644 --- a/tcpdump-stdinc.h +++ b/tcpdump-stdinc.h @@ -1,24 +1,32 @@ /* - * Copyright (c) 2002 - * Politecnico di Torino. All rights reserved. + * Copyright (c) 2002 - 2003 + * NetGroup, Politecnico di Torino (Italy) + * All rights reserved. * * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that: (1) source code distributions - * retain the above copyright notice and this paragraph in its entirety, (2) - * distributions including binary code include the above copyright notice and - * this paragraph in its entirety in the documentation or other materials - * provided with the distribution, and (3) all advertising materials mentioning - * features or use of this software display the following acknowledgement: - * ``This product includes software developed by the Politecnico - * di Torino, and its contributors.'' Neither the name of - * the University nor the names of its contributors may be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * modification, are permitted provided that the following conditions + * are met: * - * @(#) $Header: /tcpdump/master/tcpdump/tcpdump-stdinc.h,v 1.5 2003-03-22 06:30:39 guy Exp $ (LBL) + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the Politecnico di Torino nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* @@ -35,25 +43,48 @@ #include #include +#include #include "bittypes.h" #include #include #include -#include "IP6_misc.h" #include +#include +#include /* in wpcap's Win32/include */ + +#ifndef NBBY +#define NBBY 8 +#endif + +#if !defined(__MINGW32__) && !defined(__WATCOMC__) +#define stat _stat +#define open _open +#define fstat _fstat +#define read _read +#define close _close +#define O_RDONLY _O_RDONLY +#endif /* __MINGW32__ */ #ifdef __MINGW32__ #include -int* _errno(); -#define errno (*_errno()) +#endif -#define INET_ADDRSTRLEN 16 -#define INET6_ADDRSTRLEN 46 +/* Protos for missing/x.c functions (ideally + * should be used, but it clashes with ). + */ +extern const char *inet_ntop (int, const void *, char *, size_t); +extern int inet_pton (int, const char *, void *); +extern int inet_aton (const char *cp, struct in_addr *addr); -#endif /* __MINGW32__ */ +/* + * With MSVC, for C, __inline is used to make a function an inline. + */ +#ifdef _MSC_VER +#define inline __inline +#endif -#ifndef toascii -#define toascii(c) ((c) & 0x7f) +#ifndef INET6_ADDRSTRLEN +#define INET6_ADDRSTRLEN 46 #endif #ifndef caddr_t @@ -62,29 +93,20 @@ typedef char* caddr_t; #define MAXHOSTNAMELEN 64 #define NI_MAXHOST 1025 -#define IPPROTO_EGP 8 /* Exterior Gateway Protocol */ #define snprintf _snprintf #define vsnprintf _vsnprintf #define RETSIGTYPE void -#if !defined(__MINGW32__) && !defined(__WATCOMC__) -#undef toascii -#define isascii __isascii -#define toascii __toascii -#define stat _stat -#define open _open -#define fstat _fstat -#define read _read -#define O_RDONLY _O_RDONLY - -typedef short ino_t; -#endif /* __MINGW32__ */ - #else /* WIN32 */ #include #include #include +#if HAVE_INTTYPES_H +#include +#elif HAVE_STDINT_H +#include +#endif #include #include /* concession to AIX */ #include @@ -99,8 +121,45 @@ typedef short ino_t; #endif /* WIN32 */ -#ifdef INET6 -#include "ip6.h" +#ifndef HAVE___ATTRIBUTE__ +#define __attribute__(x) +#endif + +/* + * Used to declare a structure unaligned, so that the C compiler, + * if necessary, generates code that doesn't assume alignment. + * This is required because there is no guarantee that the packet + * data we get from libpcap/WinPcap is properly aligned. + * + * This assumes that, for all compilers that support __attribute__: + * + * 1) they support __attribute__((packed)); + * + * 2) for all instruction set architectures requiring strict + * alignment, declaring a structure with that attribute + * causes the compiler to generate code that handles + * misaligned 2-byte, 4-byte, and 8-byte integral + * quantities. + * + * It does not (yet) handle compilers where you can get the compiler + * to generate code of that sort by some other means. + * + * This is required in order to, for example, keep the compiler from + * generating, for + * + * if (bp->bp_htype == 1 && bp->bp_hlen == 6 && bp->bp_op == BOOTPREQUEST) { + * + * in print-bootp.c, code that loads the first 4-byte word of a + * "struct bootp", masking out the bp_hops field, and comparing the result + * against 0x01010600. + * + * Note: this also requires that padding be put into the structure, + * at least for compilers where it's implemented as __attribute__((packed)). + */ +#if defined(_MSC_VER) && defined(UNALIGNED) +/* MSVC may have its own macro defined with the same name and purpose. */ +#else +#define UNALIGNED __attribute__((packed)) #endif #if defined(WIN32) || defined(MSDOS) @@ -115,4 +174,100 @@ typedef short ino_t; #define FOPEN_WRITE_BIN FOPEN_WRITE_TXT #endif +#if defined(__GNUC__) && defined(__i386__) && !defined(__APPLE__) && !defined(__ntohl) + #undef ntohl + #undef ntohs + #undef htonl + #undef htons + + static __inline__ unsigned long __ntohl (unsigned long x); + static __inline__ unsigned short __ntohs (unsigned short x); + + #define ntohl(x) __ntohl(x) + #define ntohs(x) __ntohs(x) + #define htonl(x) __ntohl(x) + #define htons(x) __ntohs(x) + + static __inline__ unsigned long __ntohl (unsigned long x) + { + __asm__ ("xchgb %b0, %h0\n\t" /* swap lower bytes */ + "rorl $16, %0\n\t" /* swap words */ + "xchgb %b0, %h0" /* swap higher bytes */ + : "=q" (x) : "0" (x)); + return (x); + } + + static __inline__ unsigned short __ntohs (unsigned short x) + { + __asm__ ("xchgb %b0, %h0" /* swap bytes */ + : "=q" (x) : "0" (x)); + return (x); + } +#endif + +#ifndef INET_ADDRSTRLEN +#define INET_ADDRSTRLEN 16 +#endif + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + +/* + * The Apple deprecation workaround macros below were adopted from the + * FreeRADIUS server code under permission of Alan DeKok and Arran Cudbard-Bell. + */ + +#define XSTRINGIFY(x) #x + +/* + * Macros for controlling warnings in GCC >= 4.2 and clang >= 2.8 + */ +#define DIAG_JOINSTR(x,y) XSTRINGIFY(x ## y) +#define DIAG_DO_PRAGMA(x) _Pragma (#x) + +#if defined(__GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 402 +# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(GCC diagnostic x) +# if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406 +# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) +# define DIAG_ON(x) DIAG_PRAGMA(pop) +# else +# define DIAG_OFF(x) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) +# define DIAG_ON(x) DIAG_PRAGMA(warning DIAG_JOINSTR(-W,x)) +# endif +#elif defined(__clang__) && ((__clang_major__ * 100) + __clang_minor__ >= 208) +# define DIAG_PRAGMA(x) DIAG_DO_PRAGMA(clang diagnostic x) +# define DIAG_OFF(x) DIAG_PRAGMA(push) DIAG_PRAGMA(ignored DIAG_JOINSTR(-W,x)) +# define DIAG_ON(x) DIAG_PRAGMA(pop) +#else +# define DIAG_OFF(x) +# define DIAG_ON(x) +#endif + +/* + * For dealing with APIs which are only deprecated in OSX (like the OpenSSL API) + */ +#ifdef __APPLE__ +# define USES_APPLE_DEPRECATED_API DIAG_OFF(deprecated-declarations) +# define USES_APPLE_RST DIAG_ON(deprecated-declarations) +#else +# define USES_APPLE_DEPRECATED_API +# define USES_APPLE_RST +#endif + +/* + * end of Apple deprecation workaround macros + */ + +#ifndef min +#define min(a,b) ((a)>(b)?(b):(a)) +#endif +#ifndef max +#define max(a,b) ((b)>(a)?(b):(a)) +#endif + #endif /* tcpdump_stdinc_h */